An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 5925-01-532-1173
NSN 5895-00-472-9829
NSN 6320-01-489-6044
NSN 5996-01-391-7194
NSN 5915-01-225-5710
NSN 5935-01-445-6323
NSN 5905-00-525-3747
NSN 5905-00-153-0292
NSN 6145-00-681-1585
NSN 5915-00-727-2601
NSN 5990-01-277-2118
NSN 6240-01-437-8991